DOYLES

Owners

Goods & Services

Control valves for regulating the flow of gases and liquids; Pressure control equipment, namely, blowout preventers; Pressure relief valves for oil wells; Safety valves for flow shutoff in well construction

Oil well testing

Drilling and pumping of oil; Drilling for crude oil; Drilling of wells; Maintenance and/or repair of oilfield pressure control equipment; Oil and gas drilling; Oil well drilling; Rental of oil well drilling tools; Well drilling

Services comprising the recording, transcription, composition, compilation and systematization of written communications and recordings, as well as the compilation of mathematical or statistical data

Drilling rigs; Oil-well pumping machines; Valves being parts of oilfield pressure control equipment and machines and not being pressure relief valves; Well drilling machines